What does code P06C7 mean?

Q: What does code P06C7 mean?

Cylinder 3 Glow Plug Incorrect. P06C7 means the engine control module has detected an electrical or performance fault specific to the glow plug in cylinder number three, which is used to preheat the combustion chamber on a diesel engine during cold starts. The computer monitors glow plug circuit current and response time, and it flags this code when cylinder three's glow plug does not draw the expected current or fails to heat within the commanded window.

DTC codes / P06xx · Computer and output circuits / P06C7

P06C7Cylinder 3 Glow Plug Incorrect

P06C7 means the engine control module has detected an electrical or performance fault specific to the glow plug in cylinder number three, which is used to preheat the combustion chamber on a diesel engine during cold starts. The computer monitors glow plug circuit current and response time, and it flags this code when cylinder three's glow plug does not draw the expected current or fails to heat within the commanded window.

SystemPowertrain

Code typeGeneric (all makes)

SeverityLow

Fix difficultyIntermediate

AreaComputer and output circuits

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.